This paper considers control structure selection for a biological wastew- ater treatment process, with emphasis on identifying controlled variables that contribute to minimize economic costs. This is achieved according to the self- optimizing procedure proposed by Skogestad (2000). The aim is to demonstrate how, with simple considerations on the control structure design, the efficiency of a wastewater treatment plant can be improved, minimizing operational costs in the plant, while keeping it running optimally and satisfying the effluent requirements.
Controlled Variables Selection for a Biological Wastewater Treatment Process
BARATTI, ROBERTO;
2007-01-01
Abstract
This paper considers control structure selection for a biological wastew- ater treatment process, with emphasis on identifying controlled variables that contribute to minimize economic costs. This is achieved according to the self- optimizing procedure proposed by Skogestad (2000). The aim is to demonstrate how, with simple considerations on the control structure design, the efficiency of a wastewater treatment plant can be improved, minimizing operational costs in the plant, while keeping it running optimally and satisfying the effluent requirements.
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